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bundleinfo.go
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bundleinfo.go
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// Copyright 2018 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package swupd
import (
"encoding/json"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"strings"
)
type bundleInfo struct {
Name string
Filename string
DirectIncludes []string
DirectPackages map[string]bool
AllPackages map[string]bool
Files map[string]bool
}
func (m *Manifest) getBundleInfo(path string) error {
var err error
if _, err = os.Stat(path); os.IsNotExist(err) {
basePath := filepath.Dir(path)
err = m.addFilesFromChroot(filepath.Join(filepath.Dir(path), m.Name), "")
if err != nil {
return err
}
m.bundleInfo.Files = make(map[string]bool)
for _, f := range m.Files {
m.bundleInfo.Files[f.Name] = true
}
var includes []string
includes, err = readIncludesFile(filepath.Join(basePath, "noship", m.Name+"-includes"))
if err != nil {
return err
}
m.bundleInfo.DirectIncludes = includes
return nil
}
biBytes, err := ioutil.ReadFile(path)
if err != nil {
return err
}
err = json.Unmarshal(biBytes, &m.bundleInfo)
if err != nil {
return err
}
extraFilesPath := filepath.Join(filepath.Dir(path), m.Name+"-extra-files")
if _, err = os.Stat(extraFilesPath); err == nil {
extraFilesBytes, err := ioutil.ReadFile(extraFilesPath)
if err != nil {
return err
}
for _, f := range strings.Split(string(extraFilesBytes), "\n") {
if len(f) == 0 {
continue
}
if !strings.HasPrefix(f, "/") {
return fmt.Errorf("invalid extra file %s in %s, must start with '/'", f, extraFilesPath)
}
m.bundleInfo.Files[f] = true
}
}
return nil
}
func (m *Manifest) addFilesFromBundleInfo(c config, version uint32) error {
chrootDir := filepath.Join(c.imageBase, fmt.Sprint(version), "full")
for fpath := range m.bundleInfo.Files {
fullPath := filepath.Join(chrootDir, fpath)
fi, err := os.Lstat(fullPath)
if err != nil {
return err
}
err = m.createFileRecord(chrootDir, fpath, "", fi)
if err != nil {
if strings.Contains(err.Error(), "hash calculation error") {
return err
}
fmt.Fprintf(os.Stderr, "Warning: %s\n", err)
}
}
return nil
}
func appendUniqueManifest(ms []*Manifest, man *Manifest) []*Manifest {
for _, m := range ms {
if m.Name == man.Name {
return ms
}
}
return append(ms, man)
}
func (m *Manifest) readIncludesFromBundleInfo(bundles []*Manifest) error {
includes := []*Manifest{}
// os-core is added as an include for every bundle
// handle it manually so we don't have to rely on the includes list having it
for _, b := range bundles {
if b.Name == "os-core" {
includes = append(includes, b)
}
}
for _, bn := range m.bundleInfo.DirectIncludes {
// just add this one blindly since it is processed later
if bn == indexBundle {
includes = append(includes, &Manifest{Name: indexBundle})
continue
}
if bn == "os-core" {
// already added this one
continue
}
for _, b := range bundles {
if bn == b.Name {
includes = appendUniqueManifest(includes, b)
}
}
}
m.Header.Includes = includes
return nil
}